Subtract 18/70 from 7/4
1st number: 1 3/4, 2nd number: 18/70
7/4 - 18/70 is 209/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
7/4 = 7 × 35/4 × 35 = 245/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
18/70 = 18 × 2/70 × 2 = 36/140 - Subtract the two like fractions:
245/140 - 36/140 = 245 - 36/140 = 209/140 - In mixed form: 169/140
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